/*
    Copyright (C) 2014-2019 de4dot@gmail.com

    This file is part of dnSpy

    dnSpy is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    dnSpy is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with dnSpy.  If not, see <http://www.gnu.org/licenses/>.
*/

using System;
using System.Diagnostics;
using dnSpy.Contracts.Debugger.Attach;

namespace dnSpy.Debugger.DotNet.Mono.Dialogs.AttachToProcess {
	static class ProcessUtils {
		public static bool IsValidProcess(AttachProgramOptionsProviderContext context, int pid, Process? process) {
			if (context.ProcessIds.Length != 0 && Array.IndexOf(context.ProcessIds, pid) < 0)
				return false;

			if (!(context.IsValidProcess is null)) {
				Process? processToDispose = null;
				try {
					if (process is null)
						process = processToDispose = Process.GetProcessById(pid);
					if (!context.IsValidProcess(process))
						return false;
				}
				catch (InvalidOperationException) {
					return false;
				}
				catch (ArgumentException) {
					return false;
				}
				finally {
					processToDispose?.Dispose();
				}
			}

			return true;
		}
	}
}
